Home / 12,872,030.20-19,308,045.30-6,804,417.40

Finding the Fourth Proportional to 12,872,030.20, 19,308,045.30 and 6,804,417.40

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Solution

The fourth proportional to 12,872,030.20, 19,308,045.30 and 6,804,417.40 is: 10,206,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,030.20 : 19,308,045.30 = 6,804,417.40 : x
  2. Step 2: Convert to fraction form
    12,872,030.20/19,308,045.30 = 6,804,417.40/x
  3. Step 3: Cross multiply
    12,872,030.20x = 19,308,045.30 × 6,804,417.40
  4. Step 4: Simplify right side
    12,872,030.20x = 131,379,999,399,308.23
  5. Step 5: Solve for x
    x = 131,379,999,399,308.23/12,872,030.20
  6. Step 6: Final answer
    x = 10,206,626.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.